The main mechanism through which the layering happened is gravity: it pulled the heavier, denser material to the center, leaving the less dense material on the surface.
The material that was on the outside cooled quicker, but this was the result, not the cause.
The answer is
<span>2) Gravity caused more-dense material to move toward the center of each planet.</span>
Answer:
Deforestation
Explanation:
Sub-Saharan Africa simply refers to the southern part of the African continent which covers many of the countries. It covers a large geographical area. The area faces a lot of environmental problems that mostly includes the pollution such as water, soil, air, mining activities also affects the area, deforestation, and climate change.
From the above give options, deforestation is the major environmental problem in the Sub-Saharan Africa.
After reviewing the map of the individual watersheds in New York State, the answer is really easy to determine. The two landscape regions that the streams in watershed D flows over is the Adirondack Mountains and the St. Lawrence Lowlands. The correct answer choice is 4.
Answer:
False
Explanation:
The given statement is false,the Aging of sedimentary rocks can be easily done with direct dating of the Volcanic Ash layers. Moreover, sedimentary are layered the older layers are at the bottom and the younger layer are at the top. Although sedimentary rocks do not contain radio active element but their absolute age can be determine by direct dating of the Volcanic Ash layers.
